GB/T 12459  异径三通 DN 1050×1050×90-Sch10STR

DN 90×90×1050-Sch10S TR

WN 15-300 RF Sch80Sampam

1 RF500-0.6/35,δ

BL 15-63 FMhh40R6500100nbsp-15F

BL40-63 m站 Hg

pl32(b)-10ff d=135g/t205ch4

1 RF 600-1.6脗� d=243

SO 150(B)-25 RFFF0RJ&/b)0-150RF

WN350-600FF5RFS=3.5rfRF 80S-0. Sc54 H=350d/48/